Schneider Electric HJL36040SN 40A 3-Pole 600 V Circuit Breaker

Schneider Electric HJL36040SN is a 40 A, 3-pole circuit breaker engineered for demanding three-phase power systems up to 600 V. This compact protection device delivers reliable overcurrent interruption to safeguard wiring, components, and operators in industrial and commercial panels.

Why this breaker stands out

• Three-pole protection for balanced three-phase loads — ideal for three-phase circuits where all phases need synchronized interruption to prevent imbalanced faults.
• 40 A current rating provides precise protection for motors, drives, and other three-phase equipment without nuisance tripping.
• 600 V voltage rating supports a wide range of industrial and commercial installations, aligning with common North American and international standards for higher-voltage systems.
• Part of Schneider Electric’s trusted protection family— designed to integrate smoothly with Schneider Electric panels, bus systems, and accessories for streamlined installation and maintenance.

Ideal use cases

• Three-phase motor circuits in manufacturing lines, conveyors, and machine tools
• Three-phase distribution panels and switchgear in commercial facilities
• Industrial control panels requiring dependable protection for all three phases
• HVAC equipment and process equipment with 3-phase loads

Practical considerations and benefits

• Provides clear, decisive protection against overloads and short circuits in 3-phase setups, helping minimize downtime and equipment wear.
• Compatible with Schneider Electric’s broader protection ecosystem, enabling cohesive labeling, diagnostics, and serviceability across panels and systems.
• Designed for straightforward integration into existing 3-phase distribution schemes that operate at or below 600 V.

Specifications at a glance

• Part Number: HJL36040SN
• Current rating: 40 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Schneider Electric
• Product type: Circuit Breaker